Driver circuit for piezoelectric transducer and electroluminesce

Details Driver circuit for piezoelectric transducer and electroluminesce Driver circuit for piezoelectric transducer and electroluminesce

1989-07-24

1991-01-01

LaRoche, Eugene R.

Electric lamp and discharge devices: systems

Plural power supplies

Plural cathode and/or anode load device

315246, 315209PZ, 340569, G09G 310

Patent

active

049821415

ABSTRACT:
A driving circuit including a single transformer drives a piezoelectric transducer and an electroluminescent lamp. The circuit is coupled to the driving circuit for limiting the peak current through the transformer.

REFERENCES:
patent: 3935994 (1976-02-01), Darvishian
patent: 4009416 (1977-02-01), Lowther
patent: 4254362 (1981-03-01), Tulleners
patent: 4319164 (1982-03-01), Tulleners
patent: 4527096 (1985-07-01), Kindlemann
patent: 4876536 (1989-10-01), Matai et al.
patent: 4899086 (1990-02-01), Hirata

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